Applied Micro Circuits Corporation (NASDAQ: AMCC) shares spiked 20.0 percent to close at $9.72 a share Tuesday. The stock traded in between $8.15 and $9.74 on volume of 2.91 million shares traded. FBR Capital has initiated coverage on the company with a “buy” rating and a price target of $11.00. Shares of Applied Micro Circuits have gained approximately 15.4 percent year-to-date.

Gevo, Inc. (NASDAQ: GEVO) shares surged 19.65 percent to close at $2.07 a share Tuesday. The stock traded in between $2.02 and $2.32 on volume of 9.56 million shares traded. The company announced that it has resumed commercial production of isobutanol at its Minn. plant. Shares of Gevo have gained approximately 34.4 percent year-to-date.

Premier Exhibitions, Inc. (NASDAQ: PRXI) shares increased 18.42 percent to close at $1.80 a share Tuesday. The stock traded in between $1.56 and $1.85 on volume of 657,580 shares traded. On Monday, the company announced a stock repurchase plan of up to 1.5 million shares. Shares of Premier Exhibitions have fallen approximately 33.5 percent year-to-date.

Stemline Therapeutics Inc. (NASDAQ: STML) shares jumped 19.78 percent to close at $24.34 a share Tuesday. The stock traded in between $21.03 and $24.48 on volume of 514,704 shares traded. Ladenburg recentlyhas initiated coverage on the company with a “buy” rating. Shares of Stemline Therapeutics Circuits have gained approximately 99.5 percent year-to-date.

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